Table 1: Comparison of demographics, posterior vitreous status, and psychologic parameters between patients with symptomatic floaters and control.

Symptomatic floaters ()No floaters () valuesa

Age, yrs56.5 ± 10.356.3 ± 10.00.951
Female, (%)41 (67)22 (65)0.804
Diabetes mellitus, (%)9 (15)6 (18)0.711
Hypertension, (%)20 (33)7 (21)0.206
Education, yrs11.5 ± 3.410.7 ± 2.40.278
Outdoor occupation, (%)6 (9.8)00.090
Visual acuity (logMAR)0.06 ± 0.130.03 ± 0.070.102
Refractive errors (SEQ), diopters−0.9 ± 3.20.2 ± 2.60.101
Pseudophakia, (%)4 (7)1 (3)0.652
PVD grading, (%)0.011
 No PVD9 (15)9 (27)
 Partial PVD4 (7)9 (27)
 Complete PVD48 (79)16 (47)
Depression (PHQ-9)6.5 ± 6.32.3 ± 2.3<0.001
Stress (PSS)16.8 ± 6.714.2 ± 4.40.027
Anxiety (STAI)
 State anxiety43.2 ± 12.637.9 ± 8.00.014
 Trait anxiety43.2 ± 10.839.1 ± 8.40.058

aStudent’s t-test and chi-square test or Fisher’s exact test used for continuous and categorical variables, respectively. logMAR: logarithm of minimal angle of resolution; PHQ-9: Patient Health Questionnaire-9; PSS: Perceived Stress Scale; PVD: posterior vitreous detachment; SEQ: spherical equivalent; STAI: State-Trait Anxiety Inventory.